ci-bonfire / Sprint

            if ($tag{0} == "`") {

                # Find corresponding end marker.

                $tag_re = preg_quote($tag);

                if (preg_match(

                    '{^(?>.+?|\n(?!\n))*?(?<!`)' . $tag_re . '(?!`)}',

                    $text,

                    $matches

                )) {

                    # End marker found: pass text unchanged until marker.

                    $parsed .= $tag . $matches[0];

                    $text = substr($text, strlen($matches[0]));

                } else {

                    # Unmatched marker: just skip it.

                    $parsed .= $tag;

                }

            }

            #

            # Check for: Fenced code block marker.

                # Fenced code block marker: find matching end marker.

                $fence_indent = strlen($capture[1]); # use captured indent in re

                $fence_re     = $capture[2]; # use captured fence in re

                if (preg_match(

                    '{^(?>.*\n)*?[ ]{' . ($fence_indent) . '}' . $fence_re . '[ ]*(?:\n|$)}',

                    $text,

                    $matches

                )) {

                    # End marker found: pass text unchanged until marker.

                    $parsed .= $tag . $matches[0];

                    $text = substr($text, strlen($matches[0]));

                } else {

                    # No end marker: just skip it.

                    $parsed .= $tag;

                }

            }

            #

            # Check for: Indented code block.